18ct bi-colour gold and ruby brooch, of modern design with an open disk set with a single round-cut ruby and two parallel gold spears, length approximately 55 x 23 mm, stamped Yd for Yanke designs, weight 11.5 grams. Accompanied by a GIA certificate numbered 2225773109, dated 9 January 2023, stating that the ruby is of Burmese origin.